"It is my first on-site competition of the year and I felt very excited. I have not thought too much about the result," said Huang, whose winning mark also equaled his career best set three years ago when winning the gold medal at the Chinese National Games in Tianjin.
Duris might have doubled Slovakia's lead, but Israel goalkeeper Ofir Marciano was equal to his effort, and also saved well from Robert Bozenik late in the game.
Leon are now a point clear of second-placed Cruz Azul, who will have the chance to regain top spot when they visit Atlas on Saturday.
In an absorbing third round match, 23-time Grand Slam winner Williams rallied to defeat 2017 US Open winner Sloane Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes, while second seed Kenin also faced a tough challenge in a straight sets win over Ons Jabeur of Tunisia.
Both World Cups and the Finals will be staged in China with support from the Chinese Table Tennis Association (CTTA), meaning that the Women's and Men's World Cups will no longer take place in Bangkok, Thailand, and Dusseldorf, Germany as originally planned.
Third seed Williams essayed a signature comeback and served 12 aces to edge past her American compatriot Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes.
The Shijiazhuang Ever Bright FC striker left the bubble the CSL created in Suzhou last Friday for Shijiazhuang to see his daughter, born the day before. He returned to join up with his team on Saturday and started in the match against Hebei China Fortune FC two days later.
The reigning champions visited Sweden with their captain Ronaldo back in the squad after the 35-year-old Juventus forward missed their opening Nations League match due to a toe problem three days earlier.
In Group B2's other match, Scotland won 2-1 against the Czech Republic, who had had to call up an entirely new squad for the match owing to COVID-19 quarantine regulations.
"We hope that both sides can reach an agreement and everything can be made official," he told reporters at Ezeiza international airport. The former Porto midfielder said he was traveling to Miami for personal matters.
In the Suzhou Division, Teda sits at the bottom, while Chongqing ranks sixth. Enditem